What is the elapsed time from 732 to 427?

8 hours and 55 minutes (assuming, of course that it is either 7:32 p.m. to 4:27 a.m. or 7:32 a.m. to 4:27 p.m.) However, if it is 7:32 a.m. to 4:27 a.m. or 7:32 p.m. to 4:27 p.m., then the elapsed time would be 20 hours and 55 minutes.